JPS4813070B1 - - Google Patents
Info
- Publication number
- JPS4813070B1 JPS4813070B1 JP42024833A JP2483367A JPS4813070B1 JP S4813070 B1 JPS4813070 B1 JP S4813070B1 JP 42024833 A JP42024833 A JP 42024833A JP 2483367 A JP2483367 A JP 2483367A JP S4813070 B1 JPS4813070 B1 JP S4813070B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
- G02B15/1421—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only the first group being positive
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Endoscopes (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP42024833A JPS4813070B1 (en) | 1967-04-20 | 1967-04-20 | |
US721248A US3576358A (en) | 1967-04-20 | 1968-04-15 | Optical system with continuously variable magnification |
DE19681772246 DE1772246A1 (en) | 1967-04-20 | 1968-04-19 | Optical enlargement system with continuously changeable focal length |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP42024833A JPS4813070B1 (en) | 1967-04-20 | 1967-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4813070B1 true JPS4813070B1 (en) | 1973-04-25 |
Family
ID=12149183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP42024833A Pending JPS4813070B1 (en) | 1967-04-20 | 1967-04-20 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3576358A (en) |
JP (1) | JPS4813070B1 (en) |
DE (1) | DE1772246A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH512115A (en) * | 1969-08-12 | 1971-08-31 | Ciba Geigy Ag | Photoelectric scanning device |
JPS5515004B2 (en) * | 1974-10-15 | 1980-04-21 | ||
JPS5162053A (en) * | 1974-11-27 | 1976-05-29 | Olympus Optical Co | |
JPS6032856B2 (en) * | 1976-04-05 | 1985-07-30 | オリンパス光学工業株式会社 | Objective lens for rigid scope |
JPS5494352A (en) * | 1978-01-09 | 1979-07-26 | Olympus Optical Co Ltd | Focusing method of endoscope objective lens |
GB8817672D0 (en) * | 1988-07-25 | 1988-09-01 | Sira Ltd | Optical apparatus |
US5214538A (en) * | 1988-07-25 | 1993-05-25 | Keymed (Medical And Industrial Equipment) Limited | Optical apparatus |
US5264961A (en) * | 1989-10-10 | 1993-11-23 | Unisys Corporation | Techniques for trapping beams of infra-red energy |
US5578323A (en) * | 1992-06-15 | 1996-11-26 | Emisphere Technologies, Inc. | Proteinoid carriers and methods for preparation and use thereof |
US5443841A (en) * | 1992-06-15 | 1995-08-22 | Emisphere Technologies, Inc. | Proteinoid microspheres and methods for preparation and use thereof |
US5247394A (en) * | 1991-08-29 | 1993-09-21 | Asahi Kogaku Kogyo K.K. | Reading zoom lens system |
FR2683296B1 (en) * | 1991-11-06 | 1994-01-28 | Angenieux Ets Pierre | VARIABLE ILLUMINATED FIELD LIGHTING SYSTEM. |
KR100200840B1 (en) * | 1995-02-25 | 1999-06-15 | 윤종용 | Quick response optic modulation apparatus |
US20100079748A1 (en) * | 2008-09-30 | 2010-04-01 | Asml Holding N.V. | Inspection Apparatus, Lithographic Apparatus and Method for Sphero-Chromatic Aberration Correction |
US11606539B1 (en) * | 2017-12-21 | 2023-03-14 | Apple Inc. | Imaging system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2003881A (en) * | 1932-08-16 | 1935-06-04 | Grosset Georges | Auto-collimated objective for color photography |
US2662443A (en) * | 1951-08-27 | 1953-12-15 | W & L E Gurley | Erecting eyepiece with variable magnification |
US3062100A (en) * | 1953-08-24 | 1962-11-06 | Leitz Ernst Gmbh | Focussing telescope objective |
US3020806A (en) * | 1957-10-10 | 1962-02-13 | Paul P Castrucci | Optical viewing system |
AT248140B (en) * | 1963-03-01 | 1966-07-11 | Eumig | Optical system with continuously variable focal length |
FR1425097A (en) * | 1965-02-22 | 1966-01-14 | Wolf Gmbh Richard | Improvements to lenses for fiber optic endoscopes |
-
1967
- 1967-04-20 JP JP42024833A patent/JPS4813070B1/ja active Pending
-
1968
- 1968-04-15 US US721248A patent/US3576358A/en not_active Expired - Lifetime
- 1968-04-19 DE DE19681772246 patent/DE1772246A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US3576358A (en) | 1971-04-27 |
DE1772246A1 (en) | 1971-02-11 |